Duffy ordered his chief of the National Highway Traffic Safety Administration to “propose the rescission or replacement of ...

Volatile gasoline prices have spiked over $4 a gallon sparking consumer interest in vehicles that consume less petroleum and save at the pump. Concern about air pollution, carbon-dioxide emissions ...

will set a global warming pollution standard of 163 grams per mile by 2025, the equivalent of 54.5 miles per gallon (mpg) if met exclusively with fuel efficiency improvements, or a Corporate ...